231453215 has 48 divisors (see below), whose sum is σ = 348084864. Its totient is φ = 146764800.

The previous prime is 231453203. The next prime is 231453217. The reversal of 231453215 is 512354132.

It is a happy number.

It is not a de Polignac number, because 231453215 - 2⁶ = 231453151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231453217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253610 + ... + 254520.

It is an arithmetic number, because the mean of its divisors is an integer number (7251768).

Almost surely, 2^231453215 is an apocalyptic number.

231453215 is a deficient number, since it is larger than the sum of its proper divisors (116631649).

231453215 is a wasteful number, since it uses less digits than its factorization.

231453215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1001 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 231453215 is about 15213.5865265229. The cubic root of 231453215 is about 613.9802564501.

The spelling of 231453215 in words is "two hundred thirty-one million, four hundred fifty-three thousand, two hundred fifteen".